FEATURES:
Tester screws into 14 mm spark plug hole on outboard engines and other small engines
Use to check for low compression
Measures up to 200 Psi or 14 Kgs
Will help diagnose engine problems such as: burnt valves, scored cylinders, leaking head gaskets, tight tappets, broken valve springs, broken rings, or damaged pistons
Tester screws into 14 mm spark plug hole on outboard engines and other small engines
Use to check for low compression
Measures up to 200 Psi or 14 Kgs
Will help diagnose engine problems such as: burnt valves, scored cylinders, leaking head gaskets, tight tappets, broken valve springs, broken rings, or damaged pistons